Elastic: Fix select/selection button in some places

skins/elastic/styles/widgets/buttons.less

@@ -124,7 +124,7 @@ button.btn {
     &.properties:before {
         content: @fa-var-info-circle;
     }
-    &.select:before {
+    &.selection:before {
         .font-icon-regular(@fa-var-check-square);
     }
     &.insert.recipient:before {

skins/elastic/styles/widgets/menu.less

@@ -616,7 +616,7 @@ a.toolbar-button {
         .font-icon-solid(@fa-var-bars);
     }
     &.selection:before {
-        .font-icon-regular(@fa-var-check-square);
+        .font-icon-regular(@fa-var-check-square) !important;
     }
     &.send:before {
         content: @fa-var-paper-plane;

skins/elastic/ui.js

@@ -522,7 +522,7 @@ function rcube_elastic_ui()
 
                 // Add Select button to the list navigation bar
                 if (!button) {
-                    button = $('<a>').attr({'class': 'button select disabled', role: 'button', title: rcmail.gettext('select')})
+                    button = $('<a>').attr({'class': 'button selection disabled', role: 'button', title: rcmail.gettext('select')})
                         .on('click', function() { if ($(this).is('.active')) table.toggleClass('withselection'); })
                         .append($('<span class="inner">').text(rcmail.gettext('select')));